Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.61 − 51 =
- 2.55 − 21 =
- 3.99 − 85 =
- 4.92 − 15 =
- 5.98 − 52 =
- 6.87 − 24 =
- 7.65 − 19 =
- 8.92 − 66 =
- 9.85 − 41 =
- 10.80 − 41 =
- 11.70 − 17 =
- 12.60 − 46 =
- 13.84 − 21 =
- 14.67 − 53 =
- 15.75 − 48 =
- 16.99 − 35 =
- 17.79 − 22 =
- 18.63 − 53 =
- 19.64 − 43 =
- 20.56 − 28 =
- 21.71 − 14 =
- 22.66 − 26 =
- 23.83 − 32 =
- 24.83 − 61 =
- 25.75 − 17 =
- 26.75 − 47 =
- 27.54 − 12 =
- 28.61 − 19 =
- 29.69 − 19 =
- 30.74 − 33 =
- 31.68 − 31 =
- 32.75 − 57 =
- 33.60 − 42 =
- 34.85 − 17 =
- 35.91 − 18 =
- 36.68 − 16 =
- 37.56 − 12 =
- 38.95 − 49 =
- 39.99 − 52 =
- 40.80 − 64 =
Answer key
- 10
- 34
- 14
- 77
- 46
- 63
- 46
- 26
- 44
- 39
- 53
- 14
- 63
- 14
- 27
- 64
- 57
- 10
- 21
- 28
- 57
- 40
- 51
- 22
- 58
- 28
- 42
- 42
- 50
- 41
- 37
- 18
- 18
- 68
- 73
- 52
- 44
- 46
- 47
- 16
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths